readme fix

Author: codecalm

README.md

@@ -2,7 +2,7 @@
 
 A set of over 300 free MIT-licensed high-quality SVG icons for you to use in your web projects. Each icon is designed on a 24x24 grid and a `2px` stroke.
 
-**If you want to support my project and help me grow it, you can [become a sponsor on GitHub](https://github.com/sponsors/codecalm) or just [donate me on PayPal](https://paypal.me/codecalm) 🙂**
+**If you want to support my project and help me grow it, you can [become a sponsor on GitHub](https://github.com/sponsors/codecalm) or just [donate me on PayPal](https://paypal.me/codecalm) :)**
 
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